Complete the sentences with the correct form of the words from the box.

用方框中单词的正确形式完成句子。

The coach demonstrated the correct form for a pull-up.

教练示范了正确的引体向上姿势。

D Supply the correct form of the verbs in parentheses.

用正确的动词语态填空,如有问题可参见第10课的关键句型.

Match the verbs below to the correct form of transport.

请将下面的交通工具同相应的动词搭配。

Doubts about the meaning and correct form of expression must be grasped.

疑义的含义及表现形式必须正确把握。

Choose the best verb to complete each sentence, using its correct form.

选择最佳动词并用其适当形式，完成句子。

The verbs in parentheses tell us what happened. Give the correct form of each verb.

括号中的动词告诉我们过去发生的动作，给出这些动词的正确形式。

The verbs in parentheses tell us what happened and what has happened. Give the correct form of each verb.

括号中的动词告诉我们过去发生和现在已经完成的动作。给出这些动词的正确形式。

The verbs in parentheses tell us what was happening and what happened. Give the correct form of each verb.

括号中的动词告诉我们正在进行和过去发生的动作。给出这些动词的正确形式。

Give the correct form of all the verbs in parentheses. Do not refer to the passage until you finish the exercise.

用正确的时态填空，完成练习后再对照课文核对你的答案。